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// Scilab Code Ex9.4 Page:280 (2006)
clc;clear;
e = 1.6e-019; // Energy equivalent of 1 eV, J/eV
E_g = 3.4e-04; // Energy gap of aluminium, eV
v_F = 2.02e+08; // Fermi velocity of aluminium, cm/sec
h_bar = 1.05e-034; // Planck's constant
L = h_bar*v_F/(2*E_g*e); // Coherence Length of aluminium, cm
printf("\nThe coherence length of aluminium = %4.2e cm", L);
// Result
// The coherence length of aluminium = 1.95e-04 cm
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